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Finding the Fourth Proportional to 559,945.79, 838,610.75 and 514,731.79

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Solution

The fourth proportional to 559,945.79, 838,610.75 and 514,731.79 is: 770,895.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,945.79 : 838,610.75 = 514,731.79 : x
  2. Step 2: Convert to fraction form
    559,945.79/838,610.75 = 514,731.79/x
  3. Step 3: Cross multiply
    559,945.79x = 838,610.75 × 514,731.79
  4. Step 4: Simplify right side
    559,945.79x = 431,659,612,460.74
  5. Step 5: Solve for x
    x = 431,659,612,460.74/559,945.79
  6. Step 6: Final answer
    x = 770,895.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.